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United States › Power plants › Battery storage › Massachusetts

BATTERY STORAGE

Beacon Power Flywheel System 2

Beacon Power Flywheel System 2 is a 2.0 MW retired battery storage site in Middlesex County, Massachusetts, operated by Beacon Power LLC.

Plant statusClosed
  1. Planning (completed)
  2. Consented (completed)
  3. Construction (completed)
  4. OperatingJul 2009 (completed)
  5. ClosedAug 2016 (current stage)

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Generators

Each generating unit EIA lists at this plant.

UnitTechnologyCapacityStatusOnlineRetired / planned retirement
TYN2Flywheels2.0 MW RetiredJul 2009Aug 2016

Plant details

Operator
Beacon Power LLC
Location
Middlesex County, Massachusetts
Balancing authority
ISNE
Sector
IPP Non-CHP
Capacity
Retired: 2.0 MW
First unit online
Jul 2009
EIA plant ID
57712

Location

42.6617, -71.4050

Nearby power plants

Source: U.S. Energy Information Administration, Form EIA-860M, September 2026. Planned dates are targets reported by the developer and often change. Report a problem